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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2008-2010 Digital Enterprise Research Institute (DERI)</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * Licensed under the Apache License, Version 2.0 (the "License");</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * you may not use this file except in compliance with the License.</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * You may obtain a copy of the License at</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *     <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> * See the License for the specific language governing permissions and</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * limitations under the License.</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.sindice.rdfcommons.query;
<a name="18" href="#18">18</a>  
<a name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.storage.InMemoryResultSet;
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.Triple;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.TripleBuffer;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.sindice.rdfcommons.model.TripleSet;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.apache.log4j.Logger;
<a name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.testng.annotations.AfterMethod;
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.testng.annotations.BeforeMethod;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.testng.annotations.Test;
<a name="27" href="#27">27</a>  
<a name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.util.Arrays;
<a name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.util.HashSet;
<a name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a name="31" href="#31">31</a>  
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em>
<a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * Test case for the {@link TripleSetQueryExecutor}.</em>
<a name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> *</em>
<a name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * @author Michele Mostarda ( mostarda@fbk.eu )</em>
<a name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * @version $Id: TripleSetQueryExecutorTestCase.java 24 2010-12-01 23:47:33Z michele.mostarda $</em>
<a name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> */</em>
<a name="38" href="#38">38</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/sindice/rdfcommons/query/TripleSetQueryExecutorTestCase.html">TripleSetQueryExecutorTestCase</a> {
<a name="39" href="#39">39</a>  
<a name="40" href="#40">40</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Logger logger = Logger.getLogger(TripleSetQueryExecutorTestCase.<strong class="jxr_keyword">class</strong>);
<a name="41" href="#41">41</a>  
<a name="42" href="#42">42</a>      <strong class="jxr_keyword">private</strong> QueryContext queryContext;
<a name="43" href="#43">43</a>  
<a name="44" href="#44">44</a>      <strong class="jxr_keyword">private</strong> MatchChain matchChain;
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>      <strong class="jxr_keyword">private</strong> TripleSet tripleSet;
<a name="47" href="#47">47</a>  
<a name="48" href="#48">48</a>      <strong class="jxr_keyword">private</strong> TripleSetQueryExecutor tripleSetQueryExecutor;
<a name="49" href="#49">49</a>  
<a name="50" href="#50">50</a>      @BeforeMethod
<a name="51" href="#51">51</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setUp() {
<a name="52" href="#52">52</a>          queryContext = <strong class="jxr_keyword">new</strong> QueryContext();
<a name="53" href="#53">53</a>          matchChain = <strong class="jxr_keyword">new</strong> MatchChain(queryContext);
<a name="54" href="#54">54</a>          tripleSet = <strong class="jxr_keyword">new</strong> TripleBuffer();
<a name="55" href="#55">55</a>          tripleSet.addTriple(<span class="jxr_string">""</span>, <span class="jxr_string">""</span>, <span class="jxr_string">""</span>);
<a name="56" href="#56">56</a>          tripleSetQueryExecutor = <strong class="jxr_keyword">new</strong> TripleSetQueryExecutor();
<a name="57" href="#57">57</a>      }
<a name="58" href="#58">58</a>  
<a name="59" href="#59">59</a>      @AfterMethod
<a name="60" href="#60">60</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> tearDown() {
<a name="61" href="#61">61</a>          matchChain = <strong class="jxr_keyword">null</strong>;
<a name="62" href="#62">62</a>          tripleSet.clear();
<a name="63" href="#63">63</a>          tripleSet = <strong class="jxr_keyword">null</strong>;
<a name="64" href="#64">64</a>          tripleSetQueryExecutor = <strong class="jxr_keyword">null</strong>;
<a name="65" href="#65">65</a>      }
<a name="66" href="#66">66</a>  
<a name="67" href="#67">67</a>      <em class="jxr_javadoccomment">/**</em>
<a name="68" href="#68">68</a>  <em class="jxr_javadoccomment">     * Tests the {@link TripleSetQueryExecutor#createMatch(org.sindice.rdfcommons.model.Triple , Match, Match)}</em>
<a name="69" href="#69">69</a>  <em class="jxr_javadoccomment">     * method.</em>
<a name="70" href="#70">70</a>  <em class="jxr_javadoccomment">     */</em>
<a name="71" href="#71">71</a>      @Test
<a name="72" href="#72">72</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testCreateMatch() {
<a name="73" href="#73">73</a>          Match match = TripleSetQueryExecutor.createMatch(
<a name="74" href="#74">74</a>                  <strong class="jxr_keyword">new</strong> Triple&lt;String&gt;(<span class="jxr_string">"1"</span>, <span class="jxr_string">"2"</span>, <span class="jxr_string">"3"</span>),
<a name="75" href="#75">75</a>                  <strong class="jxr_keyword">new</strong> Match(queryContext, <span class="jxr_string">"?a"</span>,  <span class="jxr_string">"2"</span>, <span class="jxr_string">"?c"</span>),
<a name="76" href="#76">76</a>                  <strong class="jxr_keyword">new</strong> Match(queryContext, <span class="jxr_string">"?c"</span>, <span class="jxr_string">"?d"</span>, <span class="jxr_string">"?e"</span>)
<a name="77" href="#77">77</a>          );
<a name="78" href="#78">78</a>          logger.info(<span class="jxr_string">"Match: "</span> + match);
<a name="79" href="#79">79</a>          assert match.getSub().equals(<span class="jxr_string">"3"</span>);
<a name="80" href="#80">80</a>          assert match.getPred().equals(<span class="jxr_string">"?d"</span>);
<a name="81" href="#81">81</a>          assert match.getObj().equals(<span class="jxr_string">"?e"</span>);
<a name="82" href="#82">82</a>      }
<a name="83" href="#83">83</a>  
<a name="84" href="#84">84</a>      <em class="jxr_javadoccomment">/**</em>
<a name="85" href="#85">85</a>  <em class="jxr_javadoccomment">     * Tests the {@link TripleSetQueryExecutor#progressIndex(int, int[], org.sindice.rdfcommons.model.TripleSet[])}</em>
<a name="86" href="#86">86</a>  <em class="jxr_javadoccomment">     * method. </em>
<a name="87" href="#87">87</a>  <em class="jxr_javadoccomment">     */</em>
<a name="88" href="#88">88</a>      @Test
<a name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testProgressIndex() {
<a name="90" href="#90">90</a>          <strong class="jxr_keyword">int</strong> indexes[] = <strong class="jxr_keyword">new</strong> <strong class="jxr_keyword">int</strong>[2];
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>          TripleSet ts1 = <strong class="jxr_keyword">new</strong> TripleBuffer();
<a name="93" href="#93">93</a>          ts1.addTriple(<span class="jxr_string">"1"</span>, <span class="jxr_string">"1"</span>, <span class="jxr_string">"1"</span>);
<a name="94" href="#94">94</a>          ts1.addTriple(<span class="jxr_string">"2"</span>, <span class="jxr_string">"2"</span>, <span class="jxr_string">"2"</span>);
<a name="95" href="#95">95</a>  
<a name="96" href="#96">96</a>          TripleSet ts2 = <strong class="jxr_keyword">new</strong> TripleBuffer();
<a name="97" href="#97">97</a>          ts2.addTriple(<span class="jxr_string">"3"</span>, <span class="jxr_string">"3"</span>, <span class="jxr_string">"3"</span>);
<a name="98" href="#98">98</a>          ts2.addTriple(<span class="jxr_string">"4"</span>, <span class="jxr_string">"4"</span>, <span class="jxr_string">"4"</span>);
<a name="99" href="#99">99</a>          ts2.addTriple(<span class="jxr_string">"5"</span>, <span class="jxr_string">"5"</span>, <span class="jxr_string">"5"</span>);
<a name="100" href="#100">100</a> 
<a name="101" href="#101">101</a>         TripleSet[] tss = <strong class="jxr_keyword">new</strong> TripleSet[]{ts1, ts2};
<a name="102" href="#102">102</a>         <strong class="jxr_keyword">int</strong> begin = 0;
<a name="103" href="#103">103</a>         Set&lt;Object&gt; sequence = <strong class="jxr_keyword">new</strong> HashSet&lt;Object&gt;();
<a name="104" href="#104">104</a>         <strong class="jxr_keyword">while</strong>(begin &gt;= 0) {
<a name="105" href="#105">105</a>             begin = TripleSetQueryExecutor.progressIndex(begin, indexes, tss);
<a name="106" href="#106">106</a>             logger.info( <span class="jxr_string">"Indexes: "</span> + Arrays.toString(indexes) );
<a name="107" href="#107">107</a>             assert sequence.add( indexes.clone() );
<a name="108" href="#108">108</a>         }
<a name="109" href="#109">109</a>         assert sequence.size() == ts1.getSize() * ts2.getSize();
<a name="110" href="#110">110</a>     }
<a name="111" href="#111">111</a> 
<a name="112" href="#112">112</a>     <em class="jxr_javadoccomment">/**</em>
<a name="113" href="#113">113</a> <em class="jxr_javadoccomment">     * Tests the {@link TripleSetQueryExecutor#multiply(Match[], org.sindice.rdfcommons.model.TripleSet[], org.sindice.rdfcommons.storage.InMemoryResultSet)}.</em>
<a name="114" href="#114">114</a> <em class="jxr_javadoccomment">     */</em>
<a name="115" href="#115">115</a>     @Test
<a name="116" href="#116">116</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testMultiply() {
<a name="117" href="#117">117</a>         Match[] matches = {
<a name="118" href="#118">118</a>             <strong class="jxr_keyword">new</strong> Match(queryContext, <span class="jxr_string">"?a"</span>, <span class="jxr_string">"?b"</span>, <span class="jxr_string">"?c"</span>),
<a name="119" href="#119">119</a>             <strong class="jxr_keyword">new</strong> Match(queryContext, <span class="jxr_string">"?d"</span>, <span class="jxr_string">"?e"</span>, <span class="jxr_string">"?f"</span>)
<a name="120" href="#120">120</a>         };
<a name="121" href="#121">121</a> 
<a name="122" href="#122">122</a>         TripleSet ts1 = <strong class="jxr_keyword">new</strong> TripleBuffer();
<a name="123" href="#123">123</a>         ts1.addTriple(<span class="jxr_string">"A"</span>, <span class="jxr_string">"B"</span>, <span class="jxr_string">"C"</span>);
<a name="124" href="#124">124</a>         ts1.addTriple(<span class="jxr_string">"D"</span>, <span class="jxr_string">"E"</span>, <span class="jxr_string">"F"</span>);
<a name="125" href="#125">125</a> 
<a name="126" href="#126">126</a>         TripleSet ts2 = <strong class="jxr_keyword">new</strong> TripleBuffer();
<a name="127" href="#127">127</a>         ts2.addTriple(<span class="jxr_string">"G"</span>, <span class="jxr_string">"H"</span>, <span class="jxr_string">"I"</span>);
<a name="128" href="#128">128</a>         ts2.addTriple(<span class="jxr_string">"L"</span>, <span class="jxr_string">"M"</span>, <span class="jxr_string">"N"</span>);
<a name="129" href="#129">129</a>         ts2.addTriple(<span class="jxr_string">"O"</span>, <span class="jxr_string">"P"</span>, <span class="jxr_string">"Q"</span>);
<a name="130" href="#130">130</a> 
<a name="131" href="#131">131</a>         TripleSet[] tss = <strong class="jxr_keyword">new</strong> TripleSet[]{ts1, ts2};
<a name="132" href="#132">132</a> 
<a name="133" href="#133">133</a>         InMemoryResultSet imrs = <strong class="jxr_keyword">new</strong> InMemoryResultSet( <strong class="jxr_keyword">new</strong> String[]{<span class="jxr_string">"?a"</span>, <span class="jxr_string">"?b"</span>, <span class="jxr_string">"?c"</span>, <span class="jxr_string">"?d"</span>, <span class="jxr_string">"?e"</span>, <span class="jxr_string">"?f"</span>});
<a name="134" href="#134">134</a> 
<a name="135" href="#135">135</a>         TripleSetQueryExecutor.multiply(matches, tss, imrs);
<a name="136" href="#136">136</a> 
<a name="137" href="#137">137</a>         logger.info(<span class="jxr_string">"imrs: "</span> + imrs);
<a name="138" href="#138">138</a> 
<a name="139" href="#139">139</a>         assert imrs.size() == ts1.getSize() * ts2.getSize();
<a name="140" href="#140">140</a>     }
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a> }
</pre>
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